Xandr (Microsoft) — Publisher Network & Market Data (2026)

Microsoft's programmatic marketplace providing advanced advertising technology across digital channels for publishers and advertisers worldwide. Red Volcano tracks 565 publishers listing Xandr (Microsoft) in their ads.txt, plus 1,683 entries in their sellers.json.

● Data last updated: March 09, 2026
565
Publishers (ads.txt)
1,683
sellers.json Entries
United States
Top Market
63.8% Direct
Seller Type Split
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sellers.json Analysis

Breakdown of Xandr (Microsoft)'s sellers.json file showing the distribution of seller types. A higher proportion of PUBLISHER (direct) entries indicates a more transparent supply chain.

PUBLISHER
1,073
INTERMEDIARY
381
BOTH
229
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Top Publishers Working With Xandr (Microsoft)

The highest-ranked publisher websites that list Xandr (Microsoft) in their ads.txt file, sorted by global traffic rank.

#DomainGlobal RankMonthly PageviewsCountryCategory
1thesun.co.uk#1,11855,915,358United KingdomNews And Media
2the-sun.com#1,66842,866,272United StatesNews And Media
3huttotxroofrepair.com#1,70720,333,390MexicoArts And Entertainment
4ticketmaster.co.uk#2,15921,554,113United KingdomE-Commerce And Shopping
5citizenfreepress.com#3,17715,536,460United StatesNews And Media
6channelnewsasia.com#4,46916,206,541SingaporeNews And Media
7chotot.com#4,6618,376,761VietnamE-Commerce And Shopping
8discoveryplus.com#5,51412,100,893United KingdomArts And Entertainment
9gizmodo.jp#5,93513,270,791JapanComputers Electronics And Technology
10ticketmaster.de#7,9295,965,548GermanyE-Commerce And Shopping
11disqus.com#8,6509,132,263United StatesComputers Electronics And Technology
12megogo.net#9,1156,696,615UkraineArts And Entertainment
13roomie.jp#9,8828,645,503JapanNews And Media
14thescottishsun.co.uk#10,1997,295,869United KingdomNews And Media
15mothership.sg#10,7697,516,257SingaporeNews And Media
16akc.org#11,6555,093,307United StatesPets And Animals
17redlinerev.com#11,7534,313,771United StatesBusiness And Consumer Services
18theblaze.com#12,3256,164,671United StatesNews And Media
19lifehacker.jp#12,5086,758,194JapanNews And Media
20etherscan.io#12,6494,014,293United StatesCrypto And Blockchain
21bscscan.com#12,7754,045,162UkraineCrypto And Blockchain
22thesun.ie#13,6695,408,052IrelandNews And Media
23propakistani.pk#14,7785,154,595PakistanNews And Media
24blockchain.com#14,7933,826,516United StatesCrypto And Blockchain
25hitosara.com#15,3884,389,867JapanFood And Drink
26imamother.com#19,6532,065,898United StatesCommunity And Society
27tournamentsoftware.com#19,9192,199,292United KingdomSports
28ticketmaster.ie#20,4963,014,744IrelandE-Commerce And Shopping
29247solitaire.com#21,2344,722,245United StatesGames
30rugbypass.com#24,3092,804,836United KingdomSports
31glasove.com#25,5933,580,640Country 100News And Media
32mtb-news.de#25,8861,971,007GermanySports
33nhatot.com#27,0681,469,151VietnamBusiness And Consumer Services
34eldigitaldealbacete.com#28,4832,658,970SpainNews And Media
35acast.com#30,8112,057,695United StatesArts And Entertainment
36spreaker.com#31,3611,919,878United StatesArts And Entertainment
37libsyn.com#32,4221,898,867United StatesComputers Electronics And Technology
38247backgammon.org#33,8782,594,967United StatesGames
39247mahjong.com#35,5212,560,010United StatesGames
40tygodnik-rolniczy.pl#35,6724,108,163PolandHeavy Industry And Engineering
41pakistantoday.com.pk#37,3851,397,388PakistanNews And Media
42pathologyoutlines.com#37,5681,722,053Country 368Health
43livenation.co.uk#37,9841,607,691United KingdomE-Commerce And Shopping
44cheapoair.ca#38,9471,186,684CanadaTravel And Tourism
45meteoprog.com#40,8141,671,363UkraineScience And Education
46polygonscan.com#44,3461,089,105United StatesCrypto And Blockchain
47247games.com#44,4001,836,380United StatesGames
48ticketmaster.dk#45,2261,214,908DenmarkE-Commerce And Shopping
49247sudoku.com#45,8321,991,967United StatesGames
50247checkers.com#50,3911,741,127South AfricaGames

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Xandr (Microsoft) Geographic Reach

Publisher distribution across countries for Xandr (Microsoft). Shows the markets where Xandr (Microsoft) has the strongest publisher relationships.

United States
163 pubs
France
37 pubs
Poland
33 pubs
United Kingdom
29 pubs
Germany
24 pubs
Brazil
16 pubs
Mexico
14 pubs
India
13 pubs
Spain
12 pubs
Russia
11 pubs
Turkey
11 pubs
Italy
10 pubs
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Publisher Verticals for Xandr (Microsoft)

Content category breakdown of publishers working with Xandr (Microsoft).

News And Media
64 pubs
Arts And Entertainment
35 pubs
Games
30 pubs
E-Commerce And Shopping
24 pubs
Computers Electronics And Technology
18 pubs
Finance
16 pubs
Sports
15 pubs
Arts And Entertainment
13 pubs
Finance
13 pubs
Games
13 pubs
Arts And Entertainment
8 pubs
Crypto And Blockchain
8 pubs

Technologies Used by Xandr (Microsoft) Publishers

The most common header bidding partners found alongside Xandr (Microsoft) on publisher websites.

Between
257 pubs
TheMediaGrid
253 pubs
Duration Media
221 pubs
OpenX
206 pubs
Blue
187 pubs
PubMatic
182 pubs
AppNexus
160 pubs
Criteo
160 pubs
QT
160 pubs
Index Exchange
157 pubs
Smart AdServer
142 pubs
xe.works
141 pubs

Deep Dive Into Xandr (Microsoft)'s Publisher Network

Get complete access to Xandr (Microsoft)'s publisher relationships, sellers.json analysis, and competitive intelligence. Filter by country, vertical, traffic, and technology stack.

Frequently Asked Questions

According to Red Volcano's data, 565 publisher websites list Xandr (Microsoft) in their ads.txt file. Additionally, Xandr (Microsoft)'s sellers.json contains 1,683 seller entries. This data is refreshed weekly.

The most common publisher vertical working with Xandr (Microsoft) is News And Media. Xandr (Microsoft) has the strongest publisher presence in United States. Red Volcano provides detailed breakdowns by vertical, geography, and traffic tier.

Xandr (Microsoft)'s sellers.json contains 1,683 entries. Red Volcano analyzes sellers.json transparency for every SSP, including DIRECT vs INTERMEDIARY ratios, confidential entry rates, and cross-referencing with ads.txt declarations.

Red Volcano's platform provides the complete list of 565 publishers working with Xandr (Microsoft), with filtering by country, vertical, traffic, and technology stack. Book a demo for full access.

Red Volcano detects Xandr (Microsoft) relationships through weekly crawls of ads.txt files across 32M+ publisher websites, cross-referenced with Xandr (Microsoft)'s sellers.json and header bidding configuration analysis.

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